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Zinc Pyrithione
Zinc Pyrithione is a high-purity antimicrobial and antifungal compound derived from the coordination of zinc with pyrithione (1-hydroxy-2-pyridinethione). It is widely used as an active ingredient in personal care formulations, industrial coatings, and materials preservation due to its broad-spectrum biocidal efficacy against bacteria, fungi, and algae. Its excellent thermal stability and compatibility with various systems make it ideal for diverse industrial and cosmetic applications.
Zinc Pyrithione
Primary Uses
- Personal Care & Cosmetics
- Anti-Dandruff Agent: Widely used in shampoos and scalp treatments to control dandruff and seborrheic dermatitis.
- Antifungal in Skin Products: Used in creams and lotions to treat fungal skin conditions like tinea and seborrheic dermatitis.
- Paints & Coatings Industry
- Dry Film Preservative: Protects painted surfaces from fungal and algal growth, especially in humid conditions.
- Marine Coatings: Used in anti-fouling marine paints to prevent biofilm formation on ship hulls and underwater structures.
- Plastics & Polymers
- Antimicrobial Additive: Integrated into plastic products, sealants, and silicone to prevent microbial colonization.
- Textiles
- Antibacterial Treatment: Used in technical and medical textiles for microbial control and odor resistance.
Secondary Uses
- Construction Materials
- Biocide in Sealants and Adhesives: Added to construction sealants to prevent mold and mildew.
- Industrial Water Systems
- Microbial Control Agent: Occasionally used in industrial water circuits to prevent microbial growth (under regulated conditions).
- Leather Treatment
- Preservative: Applied during leather processing to inhibit microbial degradation and mold formation.
- Agriculture (Restricted/Regulated)
- Fungicide (Specialty Applications): Under strict regulatory control, used in select applications to prevent fungal growth on surfaces or equipment.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Bis(1-hydroxy-2(1H)-pyridinethionato-O,S)zinc
- Common/Trade Name: Zinc Pyrithione
- CAS Number: 13463-41-7
- HS Code: 2930.90.99
- Synonyms: ZPT, Zinc Omadine, Zinci pyrithionis
2. Physical & Chemical Properties
- Physical State: Crystalline powder
- Color & Odor: White to pale yellow; faint odor
- Melting Point: ~240 °C (decomposes)
- Solubility: Poorly soluble in water; soluble in ethanol and surfactant systems
- pH (1% Suspension): ~6.5–8.0
- Density: ~1.8 g/cm³
3. Safety & Hazard Attributes
- GHS Classification:
- Harmful if swallowed
- Causes serious eye irritation
- Very toxic to aquatic life with long-lasting effects
- Toxicity: Moderately toxic; not for internal or long-term unregulated exposure
- Exposure Limits: Avoid inhalation of powder; handle with PPE
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry place, in tightly sealed containers away from direct sunlight and moisture
- Container Type: Fiber drums or HDPE containers with liners
- Shelf Life: 2 years under proper storage conditions
- Handling Precautions: Avoid dust generation and contact with eyes or skin
5. Regulatory & Compliance Attributes
- Approved by FDA, EU, and other regulatory bodies for limited concentrations in personal care products
- Complies with REACH and TSCA for industrial us
- Subject to maximum concentration limits in cosmetics (typically 0.3% in rinse-off products)
- Not for use in food or pharmaceutical products
- Manufactured under ISO 9001 and ISO 22716 (GMP for cosmetics, when applicable)
- Must meet biocidal product regulations (BPR) in the EU and FIFRA in the U.S.
6. Environmental & Health Impact
- Biodegradability: Slowly biodegradable under environmental conditions
- Ecotoxicity: Highly toxic to aquatic organisms; must not be released into waterway
- Bioaccumulation: Low to moderate potential; environmental monitoring recommended
Safety Handling Precautions
- PPE Required: Gloves, goggles, dust mask or respirator
- Handling Guidelines: Use local exhaust ventilation; avoid formation of airborne dust
- Storage Measures: Keep containers tightly sealed; label clearly
First Aid Measures
- Inhalation: Move to fresh air immediately; seek medical attention if breathing difficulties occur
- Skin Contact: Wash thoroughly with soap and water
- Eye Contact: Rinse cautiously with water for 15 minutes; consult a physician
- Ingestion: Rinse mouth with water; do not induce vomiting; seek medical help
Firefighting Measures
- Fire Hazards: Non-flammable; may release toxic fumes (sulfur oxides, zinc oxides) if heated excessively
- Extinguishing Media: Water spray, dry powder, CO₂
- Hazardous Combustion Products: Sulfur dioxide, zinc oxide fumes
Related products
African Potato Extract
African Potato Extract is derived from the plant Hypoxis hemerocallidea, a medicinal plant native to southern Africa. It is commonly used in traditional African medicine for its anti-inflammatory, antioxidant, and immune-boosting properties. The active compound in the extract is hypoxoside, which is converted in the body to rooperol, a potent antioxidant. African Potato Extract is often used as a complementary treatment for conditions like arthritis, prostate issues, and certain infections, though scientific evidence on its effectiveness is still limited.
Benzoic Acid
Benzoic Acid is a white crystalline solid with a faint, pleasant odor, classified as a simple aromatic carboxylic acid. It is widely used as a food preservative, antimicrobial agent, and chemical intermediate. Naturally occurring in many plants, it is commercially produced through oxidation of toluene or extraction from natural sources. Benzoic acid is valued for its ability to inhibit the growth of mold, yeast, and certain bacteria, making it essential in food preservation and cosmetic formulations. It also serves as a precursor in the manufacture of various pharmaceuticals, dyes, and plasticizers.
Beta Carotene
Beta Carotene is a concentrated formulation of beta carotene, a naturally occurring red-orange pigment found in plants and fruits. It is a precursor to vitamin A and a potent antioxidant that helps protect cells from oxidative damage. This product, typically suspended in an oil base or suitable carrier, is widely used as a natural colorant, nutritional supplement, and cosmetic ingredient. Beta Carotene 30% SUN offers enhanced stability under sunlight exposure, making it ideal for food, feed, and cosmetic applications where light stability is critical.
Ferulic Acid
Ferulic Acid is a naturally occurring hydroxycinnamic acid classified as a phenolic compound with potent antioxidant properties. It exists as a pale yellow to light brown crystalline powder with a faint characteristic odor. Ferulic Acid is commonly found in the cell walls of various plants such as rice bran, wheat, oats, coffee, apples, and fruits, where it plays a role in plant structural integrity and defense against environmental stress. It is valued across multiple industries—cosmetics, pharmaceuticals, nutraceuticals, food, and agriculture—due to its ability to neutralize free radicals, absorb UV radiation, and exhibit anti-inflammatory and antimicrobial activities.
Fish Collagen
Fish Collagen is a natural protein derived from the skin, scales, and bones of various fish species through enzymatic hydrolysis or acid extraction. It is predominantly Type I collagen, known for its excellent bioavailability and biocompatibility. Fish Collagen typically appears as a fine white to off-white powder with low odor and high solubility in water and acidic solutions. It is widely prized in cosmetics, nutraceuticals, pharmaceuticals, and food industries due to its superior absorption compared to mammalian collagen, making it highly effective in skin, joint, and bone health applications. Fish Collagen supports the body’s extracellular matrix, promoting skin elasticity, hydration, and tissue repair.
Kojic Acid
Kojic Acid is a naturally derived organic compound produced by certain species of fungi, commonly Aspergillus and Penicillium. It appears as a white to light yellow crystalline powder with a slightly acidic taste and is highly soluble in water and alcohol. Kojic Acid is primarily used in the cosmetic and pharmaceutical industries for its skin-lightening and antioxidant properties. It inhibits melanin production by blocking the enzyme tyrosinase, making it a key ingredient in formulations aimed at reducing hyperpigmentation, age spots, and uneven skin tone.
Methylene Glycol
Methylene Glycol is a chemical compound formed by the reversible reaction of formaldehyde with water. It exists in equilibrium with formaldehyde in aqueous solutions and is commonly used as a disinfectant, preservative, and industrial biocide. Due to its antimicrobial properties, it is widely applied in water treatment, cosmetics, and embalming fluids.
Silk Proteins
Silk Proteins are hydrolyzed proteins derived from natural silk fibers, typically composed of fibroin and sericin. They are water-soluble, bioactive compounds known for their excellent film-forming, moisture-retaining, and conditioning properties. Silk proteins are widely used in cosmetics, personal care products, pharmaceuticals, and textiles due to their biocompatibility, smooth texture, and ability to penetrate and protect surfaces like skin, hair, and fabric.
